{"product_id":"national-223020-differential-pinion-seal-rear-or-rear-outer","title":"National 223020 Differential Pinion Seal - Rear or Rear Outer","description":"\u003ch2\u003eOverview of National 223020 Differential Pinion Seal\u003c\/h2\u003e\u003cp\u003eThe National 223020 differential pinion seal is engineered to provide reliable sealing performance for a variety of vehicles including BMW, Chevrolet, Dodge, GMC, Isuzu, Jeep, Mercedes-Benz, Porsche, and Volvo models. Designed with precision, this oil seal helps maintain proper lubrication and prevents leaks in the driveline system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInside diameter: 1.181 inches (30.000 mm)\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 1.860 inches (47.250 mm)\u003c\/li\u003e\n\u003cli\u003eThickness\/width: 0.276 inches (7.000 mm)\u003c\/li\u003e\n\u003cli\u003eSealing material: durable nitrile rubber\u003c\/li\u003e\n\u003cli\u003eCompatible housing bore: 1.850 inches (47.000 mm)\u003c\/li\u003e\n\u003cli\u003ePart type: Differential pinion seal, part number 223020\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Details and Material Specifications\u003c\/h2\u003e\u003cp\u003eThis National differential pinion seal (part number 223020) is constructed from nitrile, a synthetic rubber known for its resistance to oil, heat, and wear. The seal’s dimensions include an inside diameter of 1.181 inches (30 mm) and an outside diameter of 1.860 inches (47.25 mm), with a thickness of 0.276 inches (7 mm). These precise measurements ensure a secure fit within the housing bore of 1.850 inches (47 mm), providing effective sealing around the pinion shaft to prevent oil leakage and contamination.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis differential pinion seal is compatible with a wide range of vehicles, including BMW models such as 300D, 300SE, 300SEL, 300SL, and 318i; Porsche models 924, 928, 944, 960, and 968; as well as Chevrolet and GMC trucks like the S10 and Sonoma. It also fits Dodge Dakota and Hombre, Jeep TJ and Liberty, Mercedes-Benz SLK230 and Sprinter 2500\/3500, and Volvo S40, S80, S90, V40, V90, and XC90. The seal is designed to maintain driveline integrity by preventing oil leaks in these specific applications.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by the National 223020 Seal\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePrevents differential oil leaks that can cause driveline damage\u003c\/li\u003e\n\u003cli\u003eReduces contamination of internal components by sealing out dirt and debris\u003c\/li\u003e\n\u003cli\u003eMaintains proper lubrication of the pinion shaft\u003c\/li\u003e\n\u003cli\u003eHelps avoid costly repairs related to seal failure\u003c\/li\u003e\n\u003cli\u003eEnsures consistent performance in demanding driving conditions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the National 223020 differential pinion seal, ensure the housing bore and shaft are clean and free of debris. Use appropriate tools to press the seal evenly into place without damaging the nitrile material. Verify the seal’s orientation matches the original part to maintain proper sealing function. It is recommended to inspect the pinion shaft for wear or damage before installation to ensure optimal seal performance.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eNational manufactures this differential pinion seal to meet industry standards for durability and performance. The nitrile material offers resistance to oil and heat, contributing to a longer service life. While specific warranty details are not provided, National products typically adhere to strict quality control processes to ensure reliability in automotive driveline applications.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":52163238035637,"sku":"BCZK-223020","price":13.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_223020_Fro.jpg?v=1775590329","url":"https:\/\/www.partcatalog.com\/products\/national-223020-differential-pinion-seal-rear-or-rear-outer","provider":"PartCatalog","version":"1.0","type":"link"}